Base | Representation |
---|---|
bin | 11100001010111… |
… | …011110100100001 |
3 | 1012221100000102202 |
4 | 130022323310201 |
5 | 1431443103023 |
6 | 114522022545 |
7 | 14466163460 |
oct | 3412736441 |
9 | 1187300382 |
10 | 472628513 |
11 | 222871885 |
12 | 112347a55 |
13 | 76bc0656 |
14 | 46aac9d7 |
15 | 2b75d128 |
hex | 1c2bbd21 |
472628513 has 4 divisors (see below), whose sum is σ = 540146880. Its totient is φ = 405110148.
The previous prime is 472628501. The next prime is 472628531. The reversal of 472628513 is 315826274.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315826274 = 2 ⋅157913137.
It is a cyclic number.
It is not a de Polignac number, because 472628513 - 28 = 472628257 is a prime.
It is a super-2 number, since 2×4726285132 = 446755422601182338, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (472628113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33759173 + ... + 33759186.
It is an arithmetic number, because the mean of its divisors is an integer number (135036720).
Almost surely, 2472628513 is an apocalyptic number.
It is an amenable number.
472628513 is a deficient number, since it is larger than the sum of its proper divisors (67518367).
472628513 is an equidigital number, since it uses as much as digits as its factorization.
472628513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67518366.
The product of its digits is 80640, while the sum is 38.
The square root of 472628513 is about 21740.0209981499. The cubic root of 472628513 is about 778.9447229501.
The spelling of 472628513 in words is "four hundred seventy-two million, six hundred twenty-eight thousand, five hundred thirteen".
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